让生活从此变成一首欢乐的诗。
Oh,to have life henceforth,the poem of new joys.
Literature is the art of turning pain into beauty.
The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.
解释：把利益给出去，就会有实惠返回来；把怨恨给出去，就会有祸害返回来。